<!--
 * @Author: lwHao
 * @Date: 2020-09-17 17:05:36
 * @LastEditors: lwHao
 * @LastEditTime: 2020-09-20 15:50:17
-->
<template>
  <div class="auth-page">
    <div class="container page">
      <div class="row">
        <div class="col-md-6 offset-md-3 col-xs-12">
          <h1 class="text-xs-center">{{isLogin ? 'Sign in' : 'Sign up'}}</h1>
          <p class="text-xs-center">
            <nuxt-link v-if="!isLogin" to="/login">Have an account?</nuxt-link>
            <nuxt-link v-else to="/register">Need an account?</nuxt-link>
          </p>

          <ul class="error-messages">
            <template v-for="(messages,field) in errors">
              <li v-for="message in messages">{{ field }} {{ message }}</li>
            </template>
          </ul>

          <form @submit.prevent="onSubmit">
            <fieldset class="form-group" v-if="!isLogin">
              <input v-model="user.username" class="form-control form-control-lg" type="text" placeholder="Your Name" />
            </fieldset>
            <fieldset class="form-group">
              <input v-model="user.email" class="form-control form-control-lg" type="text" placeholder="Email" />
            </fieldset>
            <fieldset class="form-group">
              <input v-model="user.password" class="form-control form-control-lg" type="password" placeholder="Password" minlength="8"/>
            </fieldset>
            <button class="btn btn-lg btn-primary pull-xs-right">{{isLogin ? 'Sign in' : 'Sign up'}}</button>
          </form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import {login, register} from '@/api/user'
// 仅在客户端加载 js-cookie 包
const Cookie = process.client ? require('js-cookie') : undefined

export default {
  middleware: 'notAuthenticated',
  name: 'LoginIndex',
  computed: {
    isLogin() {
      return this.$route.name === 'login'
    }
  },
  data() {
    return {
      user: {
        username: '',
        email: '',
        password: '',
      },
      errors: {}, // 错误信息
    }
  },
  methods: {
    async onSubmit() {
      try {
        const { data } = this.isLogin 
        ? await login({
          user: this.user
        })
        : await register({
          user: this.user
        })
        console.log(data);
        this.$store.commit('setUser', data.user)
        // 数据持久化
        Cookie.set('user', data.user)
        this.$router.push('/')
      } catch (err) {
        console.dir(err)
        this.errors = err.response.data.errors
      }
    }
  }

}
</script>

<style>
</style>